CN102320072B - Last billet clamping mechanism of numerical control (NC) last making machine - Google Patents
Last billet clamping mechanism of numerical control (NC) last making machine Download PDFInfo
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- CN102320072B CN102320072B CN2011102160891A CN201110216089A CN102320072B CN 102320072 B CN102320072 B CN 102320072B CN 2011102160891 A CN2011102160891 A CN 2011102160891A CN 201110216089 A CN201110216089 A CN 201110216089A CN 102320072 B CN102320072 B CN 102320072B
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- hydraulic cylinder
- last
- jaw
- clamping
- end cover
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Abstract
The invention relates to a last billet clamping mechanism of a numerical control (NC) last making machine. The last billet clamping mechanism comprises a clamping rotating arm, and is characterized in that the lower end of the clamping rotating arm is connected with a hydraulic cylinder, wherein, the axis line of the hydraulic cylinder and the length direction of the clamping rotating arm form a certain included angle; a reciprocating piston is arranged in the hydraulic cylinder; a clamping jaw is arranged on a lower end cover of the hydraulic cylinder; the two sides of the clamping jaw are equipped with a group of sliding blocks which can slide back and forth along the axis line of the clamping jaw; the lower end surface of the reciprocating piston is contacted with the sliding blocks through movable push rods inserted into the lower end cover of the hydraulic cylinder; return tension springs are sheathed outside the movable push rods; and the lower end oblique planes of the sliding blocks are matched with an oblique wedge at the circumferential side of the lower part of the clamping jaw so that the clamping jaw is forced to be gathered so as to clamp a cylinder opening on the upper end of the last billet. The last billet clamping mechanism has the advantages of reasonable design, compact structure and reliable operating performance, thus solving the defect that shoe last machining can not be completed once by clamping two ends of a last billet, and improving the machining efficiency.
Description
Technical field
The utility model relates to a kind of last blank clamping mechanism of numerical control last making machine, is applicable to the clamping of various shoe last or hat block bases.
Background technology
The shoe last or hat block base that the digital controlled block cutting processing machine adopts at present adds the mode of holding as shown in Figure 1, and the shoe last or hat block base is by crown point and tail centre clamps and, by crown point driven rotary, complete the processing of shoe tree under the effect of whirlwind cutter.The major defect of the method for clamping of this shoe last or hat block base is: what the shoe last or hat block base obtained after the digital controlled block cutting machined is the semi-finished product shoe last or hat blocks, also must on cutting with machine, manually operate the retained part that cuts shoe tree two A and B, and could obtain last finished product by the manual grinding polishing, the removal of shoe tree two retained part and polishing require very high to workman's operative skill, after processing, exist the shoe tree form error to cause the shoe tree quality not high.
Summary of the invention
The utility model provides a kind of last blank clamping mechanism of numerical control last making machine, and the utility model is reasonable in design, compact conformation, and reliable operation, solved the clamping of shoe last or hat block base two and can't once complete the defect that shoe tree is processed, and improved working (machining) efficiency.
The technical solution of the utility model is: a kind of last blank clamping mechanism of numerical control last making machine, comprise the clamping pivoted arm, it is characterized in that: described clamping pivoted arm lower end is connected with an axial line and clamps the hydraulic cylinder that the arm length direction forms an angle, be provided with reciprocating-piston in described hydraulic cylinder, be provided with jaw on described hydraulic cylinder bottom end cover, described jaw both sides are provided with one group of slide block that can reciprocatingly slide along the jaw axial line, movable push bar and the slide block of described reciprocating-piston lower surface through being arranged in the hydraulic cylinder bottom end cover is in transmission connection, the described movable push bar outside also is equipped with reset tension spring, inclined-plane, described slide block lower end coordinates with the oblique contract of jaw bottom week side, force jaw to draw in, with clamping shoe last or hat block base upper end nozzle.
Be provided with sealing ring between the periphery wall of above-mentioned reciprocating-piston and the internal chamber wall of hydraulic cylinder, the inner chamber of described reciprocating-piston is provided with bottom and withstands on hydraulic cylinder bottom end cover Shang De center stage clip.
Above-mentioned hydraulic cylinder bottom end cover and the jaw structure that is formed in one, the bolt of slide block through laterally running through jaw that is positioned at jaw two sides connects.
Be provided with the pressure oil duct towards hydraulic cylinder on above-mentioned clamping pivoted arm.
The utility model has the advantage of: reasonable in design, compact conformation, reliable operation, the mode that adopts jaw to clamp shoe last or hat block base nozzle clamps the shoe last or hat block base, has solved shoe last or hat block base two clamping in the past and can't once complete the defect that shoe tree is processed, and has improved working (machining) efficiency.
The accompanying drawing explanation
Fig. 1 is that existing digital controlled block cutting processing machine shoe last or hat block base adds and holds the mode schematic diagram.
Fig. 2 is that the shoe last or hat block base of the utility model embodiment adds and holds structural scheme of mechanism.
Fig. 3 is the A-A cutaway view in Fig. 2.
In Fig. 1: the point of 1-tail centre, 2-shoe last or hat block base, 3-whirlwind cutter, 4-crown.
In Fig. 2 and 3: 1-servomotor 2-clamping pivoted arm 3-shoe last or hat block base 4-whirlwind cutter 5-jaw, 6-slide block, 7-reset tension spring, 8-movable push bar 9-center stage clip 10-reciprocating-piston 11-hydraulic pressure oilhole 12-sealing ring 13-hydraulic cylinder bottom end cover 14-bolt B-shoe last or hat block base nozzle.
The specific embodiment
For above-mentioned feature and advantage of the present utility model can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below.
The designed shoe last or hat block base of Five-axis CNC last making machine adds holds mechanism as shown in Fig. 2 ~ 3, servomotor 1 drives clamping pivoted arm 2 by coupling part and turns center steering via jaw 5 clamping shoe last or hat block base nozzle B drive shoe last or hat block base 3 wraparounds, complete the processing of shoe tree under the effect of whirlwind cutter 4, this shoe last or hat block base clamp method can make digital controlled block cutting once complete, and has solved the clamping of shoe last or hat block base two and can't once complete the defect that shoe tree is processed.Last blank clamping mechanism of numerical control last making machine of the present utility model, comprise clamping pivoted arm 2, it is characterized in that: described clamping pivoted arm 2 lower ends are connected with an axial line and clamp the hydraulic cylinder that pivoted arm 2 length directions form an angle, be provided with reciprocating-piston 10 in described hydraulic cylinder, be provided with jaw 5 on described hydraulic cylinder bottom end cover, described jaw 5 both sides are provided with one group of slide block 6 that can reciprocatingly slide along jaw 5 axial lines, the movable push bar 8 of described reciprocating-piston 10 lower surfaces through being arranged in hydraulic cylinder bottom end cover 13 contacts with slide block 6, described movable push bar 8 outsides also are equipped with reset tension spring 7, described slide block 6 inclined-planes, lower end coordinate with the oblique contract of 5 bottom week of jaw side, force jaw to draw in, with clamping shoe last or hat block base 3 upper end nozzles.
Be provided with sealing ring 12 between the periphery wall of above-mentioned reciprocating-piston 10 and the internal chamber wall of hydraulic cylinder, the inner chamber of described reciprocating-piston 10 is provided with bottom and withstands on hydraulic cylinder bottom end cover Shang De center stage clip 9.
Above-mentioned hydraulic cylinder bottom end cover and the jaw structure that is formed in one, the bolt 14 of slide block through laterally running through jaw that is positioned at jaw 5 both sides connects.
Be provided with the pressure oil duct towards hydraulic cylinder on above-mentioned clamping pivoted arm.
Operation principle: the swallow-tail form at the shoe last or hat block base nozzle B place that front operation is processed is put into the jaw 5 of Fig. 3, the primer fluid pressing system, hydraulic oil enters Driven by Hydraulic Cylinder reciprocating-piston 10 through the diagram passage by hydraulic oil port 11, again through movable push bar 8(bearing pin) promote slide block 6 and move down, thus by the effect of the oblique contract of slide block and jaw, make jaw draw the nozzle that clamps the shoe last or hat block base in.When completing shoe tree processing and want discharging, discharge hydraulic pressure, move under the effect of reciprocating-piston 10Zai center stage clip 9 and reset, slide block 6 moves under the effect of reset tension spring 7 and resets, and jaw opens and enters next working cycles due to elastic force effect own.
The utility model does not limit to above-mentioned preferred forms, and all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (2)
1. a last blank clamping mechanism of numerical control last making machine, comprise the clamping pivoted arm, it is characterized in that: described clamping pivoted arm lower end is connected with an axial line and clamps the hydraulic cylinder that the arm length direction forms an angle, be provided with reciprocating-piston in described hydraulic cylinder, be provided with jaw on described hydraulic cylinder bottom end cover, described jaw both sides are provided with one group of slide block that can reciprocatingly slide along the jaw axial line, the movable push bar of described reciprocating-piston lower surface through being arranged in the hydraulic cylinder bottom end cover contacts with slide block, the described movable push bar outside also is equipped with reset tension spring, inclined-plane, described slide block lower end coordinates with the oblique contract of jaw bottom week side, force jaw to draw in, with clamping shoe last or hat block base upper end nozzle, be provided with sealing ring between the periphery wall of described reciprocating-piston and the internal chamber wall of hydraulic cylinder, the inner chamber of described reciprocating-piston is provided with bottom and withstands on hydraulic cylinder bottom end cover Shang De center stage clip, described hydraulic cylinder bottom end cover and the jaw structure that is formed in one, the bolt of slide block through laterally running through jaw that is positioned at the jaw both sides connects.
2. last blank clamping mechanism of numerical control last making machine according to claim 1, is characterized in that: be provided with the pressure oil duct towards hydraulic cylinder on described clamping pivoted arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102160891A CN102320072B (en) | 2011-07-30 | 2011-07-30 | Last billet clamping mechanism of numerical control (NC) last making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102160891A CN102320072B (en) | 2011-07-30 | 2011-07-30 | Last billet clamping mechanism of numerical control (NC) last making machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102320072A CN102320072A (en) | 2012-01-18 |
| CN102320072B true CN102320072B (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102160891A Expired - Fee Related CN102320072B (en) | 2011-07-30 | 2011-07-30 | Last billet clamping mechanism of numerical control (NC) last making machine |
Country Status (1)
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| CN (1) | CN102320072B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204432B (en) * | 2015-08-14 | 2018-01-16 | 李文谦 | A kind of shoe tree base system of selection of shoe-last machine tool and its system |
| CN110125468A (en) * | 2019-06-28 | 2019-08-16 | 福州旭乐数控设备有限公司 | The B axle rotating mechanism and its working method of shoe tree process equipment |
| CN110202197B (en) * | 2019-06-28 | 2023-10-27 | 福州旭乐数控设备有限公司 | Six-station shoe tree integral finishing equipment and working method thereof |
| CN110154550A (en) * | 2019-06-28 | 2019-08-23 | 福州旭乐数控设备有限公司 | Shoe tree multi-panel marking device and its working method |
| CN110181338A (en) * | 2019-06-28 | 2019-08-30 | 福州旭乐数控设备有限公司 | Single-station shoe tree Roughing and fine machining machine and its working method |
| CN110193866A (en) * | 2019-06-28 | 2019-09-03 | 福州旭乐数控设备有限公司 | The Milling Process mechanism and its working method of shoe tree process equipment |
| CN110179205B (en) * | 2019-06-28 | 2023-10-31 | 福州旭乐数控设备有限公司 | Shoe tree automatic scanning device and working method thereof |
| CN110292232B (en) * | 2019-06-28 | 2023-11-03 | 福州旭乐数控设备有限公司 | Shoe tree production method and shoe tree production system |
| CN110202400A (en) * | 2019-06-28 | 2019-09-06 | 福州旭乐数控设备有限公司 | The clamping device and its working method of shoe tree nozzle |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3674063A (en) * | 1969-08-13 | 1972-07-04 | William G Klingbeil | Means for making shoe lasts |
| IT1305545B1 (en) * | 1998-09-28 | 2001-05-09 | Newlast S R L | MACHINE, AND RALATIVO PROCEDURE, FOR THE PRODUCTION OF ACCESSORIES FOR THE FOOTWEAR INDUSTRY |
| CN2829948Y (en) * | 2005-10-25 | 2006-10-25 | 陈相周 | Automatic chucking device of lathe chuck |
| CN100503190C (en) * | 2007-01-20 | 2009-06-24 | 郑豪迈 | Digital controlled block cutting machine |
| CN201683152U (en) * | 2009-12-23 | 2010-12-29 | 福州大学 | Five-axis CNC last making machine |
| CN201711669U (en) * | 2010-04-27 | 2011-01-19 | 长春数控机床有限公司 | Friction welding machine and main shaft structure thereof |
| CN202169628U (en) * | 2011-07-30 | 2012-03-21 | 福州大学 | Last blank clamping mechanism of numerical control last making machine |
-
2011
- 2011-07-30 CN CN2011102160891A patent/CN102320072B/en not_active Expired - Fee Related
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| CN102320072A (en) | 2012-01-18 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20180730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |